74HC系列手册6之2 74VHC

74VHC00,74VHC02,74VHC04,74VHC08, 74VHC14,74VHC27,74VHC32,74VHC74,74VHC86,74V HC112,74VHC123A,74VHC125,74VHC132,74VHC138, 74VHC139,74VHC153,74VHC157,74VHC161,74VHC16 3,74VHC164,74VHC175,74VHC221A,74VHC240,74VH C244,74VHC245,74VHC273,74VHC373,74VHC374,74 VHC393,74VHC541,74VHC573,74VHC574,74VHC59